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Derivatives (Derivative Assets and Liabilities) (Details) - USD ($)
Mar. 31, 2021
Dec. 31, 2020
Schedule Of Trading Securities And Other Trading Assets [Line Items]    
Derivative Liabilities $ 1,465,000 $ 1,712,000
Designated as Hedging Instrument [Member]    
Schedule Of Trading Securities And Other Trading Assets [Line Items]    
Derivative Liabilities $ 1,465,000 1,712,000
Interest Rate Cap [Member]    
Schedule Of Trading Securities And Other Trading Assets [Line Items]    
Derivative Liabilities   $ 0